tools/perf/builtin-report.c

   1 /*
   2  * builtin-report.c
   3  *
   4  * Builtin report command: Analyze the perf.data input file,
   5  * look up and read DSOs and symbol information and display
   6  * a histogram of results, along various sorting keys.
   7  */
   8 #include "builtin.h"
   9
  10 #include "util/util.h"
  11
  12 #include "util/annotate.h"
  13 #include "util/color.h"
  14 #include <linux/list.h>
  15 #include "util/cache.h"
  16 #include <linux/rbtree.h>
  17 #include "util/symbol.h"
  18 #include "util/callchain.h"
  19 #include "util/strlist.h"
  20 #include "util/values.h"
  21
  22 #include "perf.h"
  23 #include "util/debug.h"
  24 #include "util/evlist.h"
  25 #include "util/evsel.h"
  26 #include "util/header.h"
  27 #include "util/session.h"
  28 #include "util/tool.h"
  29
  30 #include "util/parse-options.h"
  31 #include "util/parse-events.h"
  32
  33 #include "util/thread.h"
  34 #include "util/sort.h"
  35 #include "util/hist.h"
  36 #include "arch/common.h"
  37
  38 #include <linux/bitmap.h>
  39
  40 struct perf_report {
  41         struct perf_tool        tool;
  42         struct perf_session     *session;
  43         bool                    force, use_tui, use_gtk, use_stdio;
  44         bool                    hide_unresolved;
  45         bool                    dont_use_callchains;
  46         bool                    show_full_info;
  47         bool                    show_threads;
  48         bool                    inverted_callchain;
  49         struct perf_read_values show_threads_values;
  50         const char              *pretty_printing_style;
  51         symbol_filter_t         annotate_init;
  52         const char              *cpu_list;
  53         const char              *symbol_filter_str;
  54         DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  55 };
  56
  57 static int perf_report__add_branch_hist_entry(struct perf_tool *tool,
  58                                         struct addr_location *al,
  59                                         struct perf_sample *sample,
  60                                         struct perf_evsel *evsel,
  61                                       struct machine *machine)
  62 {
  63         struct perf_report *rep = container_of(tool, struct perf_report, tool);
  64         struct symbol *parent = NULL;
  65         int err = 0;
  66         unsigned i;
  67         struct hist_entry *he;
  68         struct branch_info *bi, *bx;
  69
  70         if ((sort__has_parent || symbol_conf.use_callchain)
  71             && sample->callchain) {
  72                 err = machine__resolve_callchain(machine, evsel, al->thread,
  73                                                  sample, &parent);
  74                 if (err)
  75                         return err;
  76         }
  77
  78         bi = machine__resolve_bstack(machine, al->thread,
  79                                      sample->branch_stack);
  80         if (!bi)
  81                 return -ENOMEM;
  82
  83         for (i = 0; i < sample->branch_stack->nr; i++) {
  84                 if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym))
  85                         continue;
  86                 /*
  87                  * The report shows the percentage of total branches captured
  88                  * and not events sampled. Thus we use a pseudo period of 1.
  89                  */
  90                 he = __hists__add_branch_entry(&evsel->hists, al, parent,
  91                                 &bi[i], 1);
  92                 if (he) {
  93                         struct annotation *notes;
  94                         err = -ENOMEM;
  95                         bx = he->branch_info;
  96                         if (bx->from.sym && use_browser == 1 && sort__has_sym) {
  97                                 notes = symbol__annotation(bx->from.sym);
  98                                 if (!notes->src
  99                                     && symbol__alloc_hist(bx->from.sym) < 0)
 100                                         goto out;
 101
 102                                 err = symbol__inc_addr_samples(bx->from.sym,
 103                                                                bx->from.map,
 104                                                                evsel->idx,
 105                                                                bx->from.al_addr);
 106                                 if (err)
 107                                         goto out;
 108                         }
 109
 110                         if (bx->to.sym && use_browser == 1 && sort__has_sym) {
 111                                 notes = symbol__annotation(bx->to.sym);
 112                                 if (!notes->src
 113                                     && symbol__alloc_hist(bx->to.sym) < 0)
 114                                         goto out;
 115
 116                                 err = symbol__inc_addr_samples(bx->to.sym,
 117                                                                bx->to.map,
 118                                                                evsel->idx,
 119                                                                bx->to.al_addr);
 120                                 if (err)
 121                                         goto out;
 122                         }
 123                         evsel->hists.stats.total_period += 1;
 124                         hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
 125                         err = 0;
 126                 } else
 127                         return -ENOMEM;
 128         }
 129 out:
 130         return err;
 131 }
 132
 133 static int perf_evsel__add_hist_entry(struct perf_evsel *evsel,
 134                                       struct addr_location *al,
 135                                       struct perf_sample *sample,
 136                                       struct machine *machine)
 137 {
 138         struct symbol *parent = NULL;
 139         int err = 0;
 140         struct hist_entry *he;
 141
 142         if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) {
 143                 err = machine__resolve_callchain(machine, evsel, al->thread,
 144                                                  sample, &parent);
 145                 if (err)
 146                         return err;
 147         }
 148
 149         he = __hists__add_entry(&evsel->hists, al, parent, sample->period);
 150         if (he == NULL)
 151                 return -ENOMEM;
 152
 153         if (symbol_conf.use_callchain) {
 154                 err = callchain_append(he->callchain,
 155                                        &callchain_cursor,
 156                                        sample->period);
 157                 if (err)
 158                         return err;
 159         }
 160         /*
 161          * Only in the newt browser we are doing integrated annotation,
 162          * so we don't allocated the extra space needed because the stdio
 163          * code will not use it.
 164          */
 165         if (he->ms.sym != NULL && use_browser == 1 && sort__has_sym) {
 166                 struct annotation *notes = symbol__annotation(he->ms.sym);
 167
 168                 assert(evsel != NULL);
 169
 170                 err = -ENOMEM;
 171                 if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0)
 172                         goto out;
 173
 174                 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
 175         }
 176
 177         evsel->hists.stats.total_period += sample->period;
 178         hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
 179 out:
 180         return err;
 181 }
 182
 183
 184 static int process_sample_event(struct perf_tool *tool,
 185                                 union perf_event *event,
 186                                 struct perf_sample *sample,
 187                                 struct perf_evsel *evsel,
 188                                 struct machine *machine)
 189 {
 190         struct perf_report *rep = container_of(tool, struct perf_report, tool);
 191         struct addr_location al;
 192
 193         if (perf_event__preprocess_sample(event, machine, &al, sample,
 194                                           rep->annotate_init) < 0) {
 195                 fprintf(stderr, "problem processing %d event, skipping it.\n",
 196                         event->header.type);
 197                 return -1;
 198         }
 199
 200         if (al.filtered || (rep->hide_unresolved && al.sym == NULL))
 201                 return 0;
 202
 203         if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
 204                 return 0;
 205
 206         if (sort__branch_mode == 1) {
 207                 if (perf_report__add_branch_hist_entry(tool, &al, sample,
 208                                                        evsel, machine)) {
 209                         pr_debug("problem adding lbr entry, skipping event\n");
 210                         return -1;
 211                 }
 212         } else {
 213                 if (al.map != NULL)
 214                         al.map->dso->hit = 1;
 215
 216                 if (perf_evsel__add_hist_entry(evsel, &al, sample, machine)) {
 217                         pr_debug("problem incrementing symbol period, skipping event\n");
 218                         return -1;
 219                 }
 220         }
 221         return 0;
 222 }
 223
 224 static int process_read_event(struct perf_tool *tool,
 225                               union perf_event *event,
 226                               struct perf_sample *sample __maybe_unused,
 227                               struct perf_evsel *evsel,
 228                               struct machine *machine __maybe_unused)
 229 {
 230         struct perf_report *rep = container_of(tool, struct perf_report, tool);
 231
 232         if (rep->show_threads) {
 233                 const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
 234                 perf_read_values_add_value(&rep->show_threads_values,
 235                                            event->read.pid, event->read.tid,
 236                                            event->read.id,
 237                                            name,
 238                                            event->read.value);
 239         }
 240
 241         dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
 242                     evsel ? perf_evsel__name(evsel) : "FAIL",
 243                     event->read.value);
 244
 245         return 0;
 246 }
 247
 248 /* For pipe mode, sample_type is not currently set */
 249 static int perf_report__setup_sample_type(struct perf_report *rep)
 250 {
 251         struct perf_session *self = rep->session;
 252         u64 sample_type = perf_evlist__sample_type(self->evlist);
 253
 254         if (!self->fd_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
 255                 if (sort__has_parent) {
 256                         ui__error("Selected --sort parent, but no "
 257                                     "callchain data. Did you call "
 258                                     "'perf record' without -g?\n");
 259                         return -EINVAL;
 260                 }
 261                 if (symbol_conf.use_callchain) {
 262                         ui__error("Selected -g but no callchain data. Did "
 263                                     "you call 'perf record' without -g?\n");
 264                         return -1;
 265                 }
 266         } else if (!rep->dont_use_callchains &&
 267                    callchain_param.mode != CHAIN_NONE &&
 268                    !symbol_conf.use_callchain) {
 269                         symbol_conf.use_callchain = true;
 270                         if (callchain_register_param(&callchain_param) < 0) {
 271                                 ui__error("Can't register callchain params.\n");
 272                                 return -EINVAL;
 273                         }
 274         }
 275
 276         if (sort__branch_mode == 1) {
 277                 if (!self->fd_pipe &&
 278                     !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
 279                         ui__error("Selected -b but no branch data. "
 280                                   "Did you call perf record without -b?\n");
 281                         return -1;
 282                 }
 283         }
 284
 285         return 0;
 286 }
 287
 288 extern volatile int session_done;
 289
 290 static void sig_handler(int sig __maybe_unused)
 291 {
 292         session_done = 1;
 293 }
 294
 295 static size_t hists__fprintf_nr_sample_events(struct hists *self,
 296                                               const char *evname, FILE *fp)
 297 {
 298         size_t ret;
 299         char unit;
 300         unsigned long nr_samples = self->stats.nr_events[PERF_RECORD_SAMPLE];
 301         u64 nr_events = self->stats.total_period;
 302         struct perf_evsel *evsel = hists_to_evsel(self);
 303         char buf[512];
 304         size_t size = sizeof(buf);
 305
 306         if (symbol_conf.event_group && evsel->nr_members > 1) {
 307                 struct perf_evsel *pos;
 308
 309                 perf_evsel__group_desc(evsel, buf, size);
 310                 evname = buf;
 311
 312                 for_each_group_member(pos, evsel) {
 313                         nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE];
 314                         nr_events += pos->hists.stats.total_period;
 315                 }
 316         }
 317
 318         nr_samples = convert_unit(nr_samples, &unit);
 319         ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
 320         if (evname != NULL)
 321                 ret += fprintf(fp, " of event '%s'", evname);
 322
 323         ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
 324         return ret + fprintf(fp, "\n#\n");
 325 }
 326
 327 static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
 328                                          struct perf_report *rep,
 329                                          const char *help)
 330 {
 331         struct perf_evsel *pos;
 332
 333         list_for_each_entry(pos, &evlist->entries, node) {
 334                 struct hists *hists = &pos->hists;
 335                 const char *evname = perf_evsel__name(pos);
 336
 337                 if (symbol_conf.event_group &&
 338                     !perf_evsel__is_group_leader(pos))
 339                         continue;
 340
 341                 hists__fprintf_nr_sample_events(hists, evname, stdout);
 342                 hists__fprintf(hists, true, 0, 0, stdout);
 343                 fprintf(stdout, "\n\n");
 344         }
 345
 346         if (sort_order == default_sort_order &&
 347             parent_pattern == default_parent_pattern) {
 348                 fprintf(stdout, "#\n# (%s)\n#\n", help);
 349
 350                 if (rep->show_threads) {
 351                         bool style = !strcmp(rep->pretty_printing_style, "raw");
 352                         perf_read_values_display(stdout, &rep->show_threads_values,
 353                                                  style);
 354                         perf_read_values_destroy(&rep->show_threads_values);
 355                 }
 356         }
 357
 358         return 0;
 359 }
 360
 361 static int __cmd_report(struct perf_report *rep)
 362 {
 363         int ret = -EINVAL;
 364         u64 nr_samples;
 365         struct perf_session *session = rep->session;
 366         struct perf_evsel *pos;
 367         struct map *kernel_map;
 368         struct kmap *kernel_kmap;
 369         const char *help = "For a higher level overview, try: perf report --sort comm,dso";
 370
 371         signal(SIGINT, sig_handler);
 372
 373         if (rep->cpu_list) {
 374                 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
 375                                                rep->cpu_bitmap);
 376                 if (ret)
 377                         goto out_delete;
 378         }
 379
 380         if (use_browser <= 0)
 381                 perf_session__fprintf_info(session, stdout, rep->show_full_info);
 382
 383         if (rep->show_threads)
 384                 perf_read_values_init(&rep->show_threads_values);
 385
 386         ret = perf_report__setup_sample_type(rep);
 387         if (ret)
 388                 goto out_delete;
 389
 390         ret = perf_session__process_events(session, &rep->tool);
 391         if (ret)
 392                 goto out_delete;
 393
 394         kernel_map = session->machines.host.vmlinux_maps[MAP__FUNCTION];
 395         kernel_kmap = map__kmap(kernel_map);
 396         if (kernel_map == NULL ||
 397             (kernel_map->dso->hit &&
 398              (kernel_kmap->ref_reloc_sym == NULL ||
 399               kernel_kmap->ref_reloc_sym->addr == 0))) {
 400                 const char *desc =
 401                     "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
 402                     "can't be resolved.";
 403
 404                 if (kernel_map) {
 405                         const struct dso *kdso = kernel_map->dso;
 406                         if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
 407                                 desc = "If some relocation was applied (e.g. "
 408                                        "kexec) symbols may be misresolved.";
 409                         }
 410                 }
 411
 412                 ui__warning(
 413 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
 414 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
 415 "Samples in kernel modules can't be resolved as well.\n\n",
 416                 desc);
 417         }
 418
 419         if (verbose > 3)
 420                 perf_session__fprintf(session, stdout);
 421
 422         if (verbose > 2)
 423                 perf_session__fprintf_dsos(session, stdout);
 424
 425         if (dump_trace) {
 426                 perf_session__fprintf_nr_events(session, stdout);
 427                 goto out_delete;
 428         }
 429
 430         nr_samples = 0;
 431         list_for_each_entry(pos, &session->evlist->entries, node) {
 432                 struct hists *hists = &pos->hists;
 433
 434                 if (pos->idx == 0)
 435                         hists->symbol_filter_str = rep->symbol_filter_str;
 436
 437                 hists__collapse_resort(hists);
 438                 nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
 439
 440                 /* Non-group events are considered as leader */
 441                 if (symbol_conf.event_group &&
 442                     !perf_evsel__is_group_leader(pos)) {
 443                         struct hists *leader_hists = &pos->leader->hists;
 444
 445                         hists__match(leader_hists, hists);
 446                         hists__link(leader_hists, hists);
 447                 }
 448         }
 449
 450         if (nr_samples == 0) {
 451                 ui__error("The %s file has no samples!\n", session->filename);
 452                 goto out_delete;
 453         }
 454
 455         list_for_each_entry(pos, &session->evlist->entries, node)
 456                 hists__output_resort(&pos->hists);
 457
 458         if (use_browser > 0) {
 459                 if (use_browser == 1) {
 460                         perf_evlist__tui_browse_hists(session->evlist, help,
 461                                                       NULL,
 462                                                       &session->header.env);
 463                 } else if (use_browser == 2) {
 464                         perf_evlist__gtk_browse_hists(session->evlist, help,
 465                                                       NULL);
 466                 }
 467         } else
 468                 perf_evlist__tty_browse_hists(session->evlist, rep, help);
 469
 470 out_delete:
 471         /*
 472          * Speed up the exit process, for large files this can
 473          * take quite a while.
 474          *
 475          * XXX Enable this when using valgrind or if we ever
 476          * librarize this command.
 477          *
 478          * Also experiment with obstacks to see how much speed
 479          * up we'll get here.
 480          *
 481          * perf_session__delete(session);
 482          */
 483         return ret;
 484 }
 485
 486 static int
 487 parse_callchain_opt(const struct option *opt, const char *arg, int unset)
 488 {
 489         struct perf_report *rep = (struct perf_report *)opt->value;
 490         char *tok, *tok2;
 491         char *endptr;
 492
 493         /*
 494          * --no-call-graph
 495          */
 496         if (unset) {
 497                 rep->dont_use_callchains = true;
 498                 return 0;
 499         }
 500
 501         symbol_conf.use_callchain = true;
 502
 503         if (!arg)
 504                 return 0;
 505
 506         tok = strtok((char *)arg, ",");
 507         if (!tok)
 508                 return -1;
 509
 510         /* get the output mode */
 511         if (!strncmp(tok, "graph", strlen(arg)))
 512                 callchain_param.mode = CHAIN_GRAPH_ABS;
 513
 514         else if (!strncmp(tok, "flat", strlen(arg)))
 515                 callchain_param.mode = CHAIN_FLAT;
 516
 517         else if (!strncmp(tok, "fractal", strlen(arg)))
 518                 callchain_param.mode = CHAIN_GRAPH_REL;
 519
 520         else if (!strncmp(tok, "none", strlen(arg))) {
 521                 callchain_param.mode = CHAIN_NONE;
 522                 symbol_conf.use_callchain = false;
 523
 524                 return 0;
 525         }
 526
 527         else
 528                 return -1;
 529
 530         /* get the min percentage */
 531         tok = strtok(NULL, ",");
 532         if (!tok)
 533                 goto setup;
 534
 535         callchain_param.min_percent = strtod(tok, &endptr);
 536         if (tok == endptr)
 537                 return -1;
 538
 539         /* get the print limit */
 540         tok2 = strtok(NULL, ",");
 541         if (!tok2)
 542                 goto setup;
 543
 544         if (tok2[0] != 'c') {
 545                 callchain_param.print_limit = strtoul(tok2, &endptr, 0);
 546                 tok2 = strtok(NULL, ",");
 547                 if (!tok2)
 548                         goto setup;
 549         }
 550
 551         /* get the call chain order */
 552         if (!strcmp(tok2, "caller"))
 553                 callchain_param.order = ORDER_CALLER;
 554         else if (!strcmp(tok2, "callee"))
 555                 callchain_param.order = ORDER_CALLEE;
 556         else
 557                 return -1;
 558 setup:
 559         if (callchain_register_param(&callchain_param) < 0) {
 560                 fprintf(stderr, "Can't register callchain params\n");
 561                 return -1;
 562         }
 563         return 0;
 564 }
 565
 566 static int
 567 parse_branch_mode(const struct option *opt __maybe_unused,
 568                   const char *str __maybe_unused, int unset)
 569 {
 570         sort__branch_mode = !unset;
 571         return 0;
 572 }
 573
 574 int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
 575 {
 576         struct perf_session *session;
 577         struct stat st;
 578         bool has_br_stack = false;
 579         int ret = -1;
 580         char callchain_default_opt[] = "fractal,0.5,callee";
 581         const char * const report_usage[] = {
 582                 "perf report [<options>]",
 583                 NULL
 584         };
 585         struct perf_report report = {
 586                 .tool = {
 587                         .sample          = process_sample_event,
 588                         .mmap            = perf_event__process_mmap,
 589                         .comm            = perf_event__process_comm,
 590                         .exit            = perf_event__process_exit,
 591                         .fork            = perf_event__process_fork,
 592                         .lost            = perf_event__process_lost,
 593                         .read            = process_read_event,
 594                         .attr            = perf_event__process_attr,
 595                         .event_type      = perf_event__process_event_type,
 596                         .tracing_data    = perf_event__process_tracing_data,
 597                         .build_id        = perf_event__process_build_id,
 598                         .ordered_samples = true,
 599                         .ordering_requires_timestamps = true,
 600                 },
 601                 .pretty_printing_style   = "normal",
 602         };
 603         const struct option options[] = {
 604         OPT_STRING('i', "input", &input_name, "file",
 605                     "input file name"),
 606         OPT_INCR('v', "verbose", &verbose,
 607                     "be more verbose (show symbol address, etc)"),
 608         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
 609                     "dump raw trace in ASCII"),
 610         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
 611                    "file", "vmlinux pathname"),
 612         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
 613                    "file", "kallsyms pathname"),
 614         OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"),
 615         OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
 616                     "load module symbols - WARNING: use only with -k and LIVE kernel"),
 617         OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
 618                     "Show a column with the number of samples"),
 619         OPT_BOOLEAN('T', "threads", &report.show_threads,
 620                     "Show per-thread event counters"),
 621         OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
 622                    "pretty printing style key: normal raw"),
 623         OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
 624         OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
 625         OPT_BOOLEAN(0, "stdio", &report.use_stdio,
 626                     "Use the stdio interface"),
 627         OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
 628                    "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline,"
 629                    " dso_to, dso_from, symbol_to, symbol_from, mispredict"),
 630         OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
 631                     "Show sample percentage for different cpu modes"),
 632         OPT_STRING('p', "parent", &parent_pattern, "regex",
 633                    "regex filter to identify parent, see: '--sort parent'"),
 634         OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
 635                     "Only display entries with parent-match"),
 636         OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order",
 637                      "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit and callchain order. "
 638                      "Default: fractal,0.5,callee", &parse_callchain_opt, callchain_default_opt),
 639         OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
 640                     "alias for inverted call graph"),
 641         OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
 642                    "only consider symbols in these dsos"),
 643         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
 644                    "only consider symbols in these comms"),
 645         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
 646                    "only consider these symbols"),
 647         OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
 648                    "only show symbols that (partially) match with this filter"),
 649         OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
 650                    "width[,width...]",
 651                    "don't try to adjust column width, use these fixed values"),
 652         OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
 653                    "separator for columns, no spaces will be added between "
 654                    "columns '.' is reserved."),
 655         OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved,
 656                     "Only display entries resolved to a symbol"),
 657         OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
 658                     "Look for files with symbols relative to this directory"),
 659         OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
 660                    "list of cpus to profile"),
 661         OPT_BOOLEAN('I', "show-info", &report.show_full_info,
 662                     "Display extended information about perf.data file"),
 663         OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
 664                     "Interleave source code with assembly code (default)"),
 665         OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
 666                     "Display raw encoding of assembly instructions (default)"),
 667         OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
 668                    "Specify disassembler style (e.g. -M intel for intel syntax)"),
 669         OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
 670                     "Show a column with the sum of periods"),
 671         OPT_CALLBACK_NOOPT('b', "branch-stack", &sort__branch_mode, "",
 672                     "use branch records for histogram filling", parse_branch_mode),
 673         OPT_STRING(0, "objdump", &objdump_path, "path",
 674                    "objdump binary to use for disassembly and annotations"),
 675         OPT_END()
 676         };
 677
 678         argc = parse_options(argc, argv, options, report_usage, 0);
 679
 680         if (report.use_stdio)
 681                 use_browser = 0;
 682         else if (report.use_tui)
 683                 use_browser = 1;
 684         else if (report.use_gtk)
 685                 use_browser = 2;
 686
 687         if (report.inverted_callchain)
 688                 callchain_param.order = ORDER_CALLER;
 689
 690         if (!input_name || !strlen(input_name)) {
 691                 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
 692                         input_name = "-";
 693                 else
 694                         input_name = "perf.data";
 695         }
 696         session = perf_session__new(input_name, O_RDONLY,
 697                                     report.force, false, &report.tool);
 698         if (session == NULL)
 699                 return -ENOMEM;
 700
 701         report.session = session;
 702
 703         has_br_stack = perf_header__has_feat(&session->header,
 704                                              HEADER_BRANCH_STACK);
 705
 706         if (sort__branch_mode == -1 && has_br_stack)
 707                 sort__branch_mode = 1;
 708
 709         /* sort__branch_mode could be 0 if --no-branch-stack */
 710         if (sort__branch_mode == 1) {
 711                 /*
 712                  * if no sort_order is provided, then specify
 713                  * branch-mode specific order
 714                  */
 715                 if (sort_order == default_sort_order)
 716                         sort_order = "comm,dso_from,symbol_from,"
 717                                      "dso_to,symbol_to";
 718
 719         }
 720
 721         if (strcmp(input_name, "-") != 0)
 722                 setup_browser(true);
 723         else {
 724                 use_browser = 0;
 725                 perf_hpp__column_enable(PERF_HPP__OVERHEAD);
 726                 perf_hpp__init();
 727         }
 728
 729         setup_sorting(report_usage, options);
 730
 731         /*
 732          * Only in the newt browser we are doing integrated annotation,
 733          * so don't allocate extra space that won't be used in the stdio
 734          * implementation.
 735          */
 736         if (use_browser == 1 && sort__has_sym) {
 737                 symbol_conf.priv_size = sizeof(struct annotation);
 738                 report.annotate_init  = symbol__annotate_init;
 739                 /*
 740                  * For searching by name on the "Browse map details".
 741                  * providing it only in verbose mode not to bloat too
 742                  * much struct symbol.
 743                  */
 744                 if (verbose) {
 745                         /*
 746                          * XXX: Need to provide a less kludgy way to ask for
 747                          * more space per symbol, the u32 is for the index on
 748                          * the ui browser.
 749                          * See symbol__browser_index.
 750                          */
 751                         symbol_conf.priv_size += sizeof(u32);
 752                         symbol_conf.sort_by_name = true;
 753                 }
 754         }
 755
 756         if (symbol__init() < 0)
 757                 goto error;
 758
 759         if (parent_pattern != default_parent_pattern) {
 760                 if (sort_dimension__add("parent") < 0)
 761                         goto error;
 762
 763                 /*
 764                  * Only show the parent fields if we explicitly
 765                  * sort that way. If we only use parent machinery
 766                  * for filtering, we don't want it.
 767                  */
 768                 if (!strstr(sort_order, "parent"))
 769                         sort_parent.elide = 1;
 770         } else
 771                 symbol_conf.exclude_other = false;
 772
 773         if (argc) {
 774                 /*
 775                  * Special case: if there's an argument left then assume that
 776                  * it's a symbol filter:
 777                  */
 778                 if (argc > 1)
 779                         usage_with_options(report_usage, options);
 780
 781                 report.symbol_filter_str = argv[0];
 782         }
 783
 784         sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout);
 785
 786         if (sort__branch_mode == 1) {
 787                 sort_entry__setup_elide(&sort_dso_from, symbol_conf.dso_from_list, "dso_from", stdout);
 788                 sort_entry__setup_elide(&sort_dso_to, symbol_conf.dso_to_list, "dso_to", stdout);
 789                 sort_entry__setup_elide(&sort_sym_from, symbol_conf.sym_from_list, "sym_from", stdout);
 790                 sort_entry__setup_elide(&sort_sym_to, symbol_conf.sym_to_list, "sym_to", stdout);
 791         } else {
 792                 sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout);
 793                 sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout);
 794         }
 795
 796         ret = __cmd_report(&report);
 797 error:
 798         perf_session__delete(session);
 799         return ret;
 800 }